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幼儿园课件互动版本叶子分类(多角度分类)-数学活动教案+ppt图片

  • 2026-08-05 21:00:11
幼儿园课件互动版本叶子分类(多角度分类)-数学活动教案+ppt图片

叶子分类

多角度分类)

 数学

活动目标

l对分类感兴趣,乐意探索不同的分类方法。

l学习按照物品的不同特征进行多角度分类,并记录分类标准。

l能从多角度来分类,并记录分类标准,发展扩散性思维。

活动准备

l课件准备:“整理叶子”图片;“学分类”组图;“树叶分类”组图。

l纸面教具:《树叶分类》。

l材料准备:提前剪裁好的纸面教具、固体胶。

活动过程

l播放音频及图片“整理叶子”,激发幼儿活动兴趣。

——最近我们见到了很多叶子,还和熊猫奇奇、熊猫妙妙一起了解了不同叶子的用途。你们看,这些都是奇奇、妙妙收集的叶子,他们准备将这些叶子整理收藏起来。可是,这么多种叶子要怎么整理呢?

l播放音频及组图“学分类”,引导幼儿了解可以按物体的不同特征分类,感知多角度分类。

1.出示组图“学分类-1”,引导幼儿观察叶子的特征。

——奇奇、妙妙决定将叶子分类整理,你愿意帮着他们分一分吗?先来看看这些叶子都是什么样子的。

——这片叶子是什么颜色/形状的?

——它有图案吗?是什么样的?

——它是大还是小呢?

2.出示组图“学分类-2”,教师示范分类,引导幼儿感知分类的方法。

——老师试着给这些叶子分了类,一起来看看我是怎么分的。

——我把哪些叶子分在了一起?这类的叶子是什么样子的?那类的叶子是什么样子?

——每个分类中的叶子有没有什么一样的地方?(都很大/小)

——这下,你们发现了吗?我是按什么来给叶子分类的?(大和小)

小结:刚刚老师按照叶子的大小来分类,把叶子分成了大叶子组和小叶子组。

3.鼓励幼儿尝试从其他角度分类。

——你们可以像老师这样找到叶子的某个特别的地方,根据特点把它们分成不同的组。有没有小朋友有其他的分法?

——请你认真思考一下,如果想出来了,可以举手告诉大家。

——你是怎么分的?

小结:老师是按照叶子的大小来分类的,XX小朋友按照叶子的XX来分类,这两种分类方法都很棒,像这样从多个角度观察找出物品的特征进行分类的方法叫多角度分类。

l发放纸面教具《分类叶子》并操作课件,鼓励幼儿探索多角度分类,发展扩散性思维。

1.发放纸面教具、实物“固体胶”,提出操作要求。

——现在请小朋友们仔细找找这些叶子的特点,然后按照你找到的特点进行分类,并用固体胶将分好的叶子贴在记录表上。

——记录表上有三个空框,一个空框代表着一类。我们需要把同一类的叶子,都贴到一个框里。

2.幼儿自由分类。

Ø活动建议:教师可提前将纸面教具上的叶子剪裁好,把叶子和纸面教具分别发给幼儿。

l操作课件,鼓励幼儿分享分类的方法。

——小朋友们想了这么多种帮助奇奇、妙妙分类整理的方法,谁愿意和大家说说你是怎么分的?

——其他小朋友有不一样的方法吗?

小结:除了按照叶子的大小,我们还可以按它们的颜色、数量、形状和花纹来分。

Ø活动建议:课件提供4种维度的分类方法,若有的分类方法幼儿没有采用,教师可进行丰富。

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  1. CONNECT:[ UseTime:0.000849s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001651s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000793s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000617s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001304s ]
  6. SELECT * FROM `set` [ RunTime:0.002182s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001544s ]
  8. SELECT * FROM `article` WHERE `id` = 521287 LIMIT 1 [ RunTime:0.003809s ]
  9. UPDATE `article` SET `lasttime` = 1785940664 WHERE `id` = 521287 [ RunTime:0.006827s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000685s ]
  11. SELECT * FROM `article` WHERE `id` < 521287 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001242s ]
  12. SELECT * FROM `article` WHERE `id` > 521287 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001054s ]
  13. SELECT * FROM `article` WHERE `id` < 521287 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001785s ]
  14. SELECT * FROM `article` WHERE `id` < 521287 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001975s ]
  15. SELECT * FROM `article` WHERE `id` < 521287 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.003728s ]
0.225652s